CA2397174C - Pc multimedia-based leak detection system for water transmission and distribution pipes - Google Patents

Pc multimedia-based leak detection system for water transmission and distribution pipes Download PDF

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Publication number
CA2397174C
CA2397174C CA002397174A CA2397174A CA2397174C CA 2397174 C CA2397174 C CA 2397174C CA 002397174 A CA002397174 A CA 002397174A CA 2397174 A CA2397174 A CA 2397174A CA 2397174 C CA2397174 C CA 2397174C
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Canada
Prior art keywords
leak
signals
cross
impulse response
function
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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CA002397174A
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English (en)
French (fr)
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CA2397174A1 (en
Inventor
Osama Hunaidi
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Mueller International LLC
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National Research Council of Canada
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Publication of CA2397174A1 publication Critical patent/CA2397174A1/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
    • G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
CA002397174A 2000-01-14 2001-01-12 Pc multimedia-based leak detection system for water transmission and distribution pipes Expired - Lifetime CA2397174C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/482,317 US6453247B1 (en) 2000-01-14 2000-01-14 PC multimedia-based leak detection system for water transmission and distribution pipes
US09/482,317 2000-01-14
PCT/CA2001/000030 WO2001051904A2 (en) 2000-01-14 2001-01-12 Pc multimedia-based leak detection system for water transmission and distribution pipes

Publications (2)

Publication Number Publication Date
CA2397174A1 CA2397174A1 (en) 2001-07-19
CA2397174C true CA2397174C (en) 2008-08-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA002397174A Expired - Lifetime CA2397174C (en) 2000-01-14 2001-01-12 Pc multimedia-based leak detection system for water transmission and distribution pipes

Country Status (7)

Country Link
US (1) US6453247B1 (de)
EP (1) EP1250578B1 (de)
AT (1) ATE308036T1 (de)
AU (1) AU2001226605A1 (de)
CA (1) CA2397174C (de)
DE (1) DE60114366T2 (de)
WO (1) WO2001051904A2 (de)

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US9528903B2 (en) 2014-10-01 2016-12-27 Mueller International, Llc Piezoelectric vibration sensor for fluid leak detection
US10283857B2 (en) 2016-02-12 2019-05-07 Mueller International, Llc Nozzle cap multi-band antenna assembly
US10305178B2 (en) 2016-02-12 2019-05-28 Mueller International, Llc Nozzle cap multi-band antenna assembly
US11590376B2 (en) 2010-06-16 2023-02-28 Mueller International, Llc Infrastructure monitoring devices, systems, and methods

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JP6513556B2 (ja) * 2015-11-10 2019-05-15 株式会社グッドマン 漏液音検知センサおよびそのセンサを用いた漏液検知システム
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JP6626394B2 (ja) * 2016-04-04 2019-12-25 積水化学工業株式会社 漏水調査方法
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US11313748B2 (en) 2019-01-18 2022-04-26 Mueller International, Llc Pressure monitor housing with cap-engaging projection
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Cited By (7)

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Publication number Priority date Publication date Assignee Title
US11590376B2 (en) 2010-06-16 2023-02-28 Mueller International, Llc Infrastructure monitoring devices, systems, and methods
US9291520B2 (en) 2011-08-12 2016-03-22 Mueller International, Llc Fire hydrant leak detector
US9593999B2 (en) 2011-08-12 2017-03-14 Mueller International, Llc Enclosure for leak detector
US10175135B2 (en) 2011-08-12 2019-01-08 Mueller International, Llc Leak detector
US9528903B2 (en) 2014-10-01 2016-12-27 Mueller International, Llc Piezoelectric vibration sensor for fluid leak detection
US10283857B2 (en) 2016-02-12 2019-05-07 Mueller International, Llc Nozzle cap multi-band antenna assembly
US10305178B2 (en) 2016-02-12 2019-05-28 Mueller International, Llc Nozzle cap multi-band antenna assembly

Also Published As

Publication number Publication date
CA2397174A1 (en) 2001-07-19
WO2001051904A3 (en) 2001-11-29
EP1250578A2 (de) 2002-10-23
US6453247B1 (en) 2002-09-17
DE60114366T2 (de) 2006-07-27
DE60114366D1 (de) 2005-12-01
WO2001051904A2 (en) 2001-07-19
ATE308036T1 (de) 2005-11-15
AU2001226605A1 (en) 2001-07-24
EP1250578B1 (de) 2005-10-26

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